hi No, I don’t drive a KA but a good girlfriend. who now meant to have 1000-150€ for “ne thick system” left. she hears hiphop. she currently uses a usb stick on the original cassette radio. she wants an invoice on the parts. so what about installation problems? Radio installation??? power cable?? speaker cable?? installation depth of the front system?? thought of: eton pro170 -170€ eton ec500.4 -280€ pioneer 6800 -250€ (LZK, green lighting) jvc kd-sh 1000 -290€ (USB) insulation material -100€ s ubwoofer…..soft, deep, level-resistant and 50liter grosso. thought of blackbass 10″but the has 4+4ohm it is available from mm over acr also 4 free dealers…. the bandwidth is very large. Thanks for your help. bye